Pressure changes cause wind directions to change, with the result that the high level of warm water tipsback to the east, like a sloping bath.
气压的变化使风向发生变化，结果是大量的热水向东回流，就向一个倾斜的浴室。
2
The water is dumped out into a pool, and then the empty bucket (because it is weighted at the bottom) tipsback to the upright position and begins catching water again.
桶里的水倒在一个池子里，而之后空桶翻回到直立位置并且又一次开始蓄水。
3
Their high, narrow tails with swept-backtips are almost perfectly adapted to provide propulsion with the least possible effort.